EP1597057A1 - Roller adjustment apparatus for an extrusion mill - Google Patents
Roller adjustment apparatus for an extrusion millInfo
- Publication number
- EP1597057A1 EP1597057A1 EP03702378A EP03702378A EP1597057A1 EP 1597057 A1 EP1597057 A1 EP 1597057A1 EP 03702378 A EP03702378 A EP 03702378A EP 03702378 A EP03702378 A EP 03702378A EP 1597057 A1 EP1597057 A1 EP 1597057A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- die
- rollers
- adjustment apparatus
- shafts
- extrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/20—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
- B30B11/201—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring for extruding material
- B30B11/208—Roller constructions; Mounting of the rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/20—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
Definitions
- the present invention relates to a roller adjustment apparatus for an extrusion mill of the kind set forth in the preamble of claim 1.
- Figure 1 shows a partly cut-up perspective view of the roller adjustment apparatus in an extrusion mill comprising two rollers
- Figure 2 shows the apparatus of Figure 1 seen from one end
- Figure 3 shows the apparatus of Figures 1 and 2 in cross section along the line Ill-Ill in Figure 2, and
- Figures 4 and 5 schematically show a corresponding apparatus in an extrusion mill comprising three rollers.
- the apparatus shown in Figure 1 comprises the major part of an extrusion mill for pelletising foodstuff of different kinds.
- the extrusion mill comprises a cylindrical die
- rollers (1 ) are mounted for rotation about their axes and to co-operate with the cylindrical die (2) to press material to be treated through the extrusion channels in the die wall.
- the means for driving (not shown) provides a rotation of the cylindrical die (2) and the axes of the rollers (1) relative to each other about the axis of the cylindrical die (2).
- rollers (1) are mounted on bearing shafts (3), said bearing shafts (3) being eccentrically journalled in bores in a rear roller support flange (4) and a front roller support plate (5), said rear and front roller support flange and plate being mutually connected by means of connection elements positioned between the rollers (1 ).
- extension arms (6) are fixedly mounted on the ends of the eccentrically journalled shafts (3), and said extension arms (6) are connected to an axially movable connection element (8) by means of articulated connected linkage rods (7) in the form of turnbuckles, said turnbuckles providing a possibility of performing a zero point adjustment of the position of the rollers (1) relative to the cylindrical dies (2).
- the connection element (8) is connected to a rod (9) provided with its axis in the axis of the cylindrical die (2) and extending to the outside of the extrusion mill, where it is connected to suitable actuator means.
- the relative rotation of the rollers (1) and the cylindrical die (2) can be provided by keeping the bearing shafts (3) for the rollers (1) stationary and rotating the cylindrical die (2) or vice versa keeping the cylindrical die (2) stationary and rotating the bearing shafts for the rollers (1 ), in which case a rotational linkage will have to be provided between the actuator and the connection element (8), possibly at the actuator end of the rod (9).
- connection element (8) provides a rotational movement of the eccentrically journalled shafts (3), which results in a movement of the rollers (1) towards or away from the cylindrical die (2), whereby the distance between the rollers (1) and the die (2) can be adjusted in accordance with the desired function of the extrusion mill.
- the turnbuckles (7) provide a possibility of adjusting a zero point position of the rollers (1 ) and the adjusted position can be secured by means of suitable nuts mounted on the turnbuckles (7).
- connection between the turnbuckles and the connection element and the extension arms, respectively, is provided in the form of a ball joint (11 , 12) connected to the bolts of the tumbuckle (10), thus providing an articulated connection between the extension arms (6) and the connection element (8).
- the mechanism is dimensioned and adjusted in such a way that the turnbuckles (7) are positioned perpendicular to the axis of the cylindrical die (2) when the rollers (1) are in a position as close as possible to the cylindrical die (2), yet without metallical contact between the rollers (1) and the cylindrical die (2).
- This provides a transmission between the actuator and the position of the rollers (1 ) with a maximum force when the roller (1) is close to the cylindrical die (2) and furthermore a fine adjustment possibility for the distance between the roller (1) and the cylindrical die (2) with high precision when the roller (1) is close to the cylindrical die (2).
- This last feature can be further supported by having the eccentricity of the eccentrically journalled bearing shafts (3) close to the top point in the situation where the rollers (1) are close to the cylindrical die (2).
- the actuator connected to the rod (9) can be provided in the form of a hydraulic or pneumatic piston cylinder unit, a linear actuator of the lead screw type, or any other type of actuator suitable for the purpose. Manual adjustment of the position of the rod (9) could also be envisaged. Also the position of the actuator could be altered, e.g. to a position inside the shaft (4), in which situation the rod (9) may be the piston rod of a piston cylinder unit, or at the side opposite the shaft (4).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Press Drives And Press Lines (AREA)
- Disintegrating Or Milling (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DK2003/000115 WO2004073963A1 (en) | 2003-02-21 | 2003-02-21 | Roller adjustment apparatus for an extrusion mill |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1597057A1 true EP1597057A1 (en) | 2005-11-23 |
EP1597057B1 EP1597057B1 (en) | 2012-04-04 |
Family
ID=32892807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03702378A Expired - Lifetime EP1597057B1 (en) | 2003-02-21 | 2003-02-21 | Roller adjustment apparatus for an extrusion mill |
Country Status (9)
Country | Link |
---|---|
US (1) | US7241128B2 (en) |
EP (1) | EP1597057B1 (en) |
AT (1) | ATE552103T1 (en) |
AU (1) | AU2003205560A1 (en) |
BR (1) | BR0318127B1 (en) |
CA (1) | CA2515751C (en) |
DK (1) | DK1597057T3 (en) |
ES (1) | ES2388032T3 (en) |
WO (1) | WO2004073963A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005052399A1 (en) * | 2005-10-31 | 2007-05-03 | Bühler AG | Pellet press for grouting of flour or granular material, has press roll whereby each press roll is pivot mounted in lever system with rupture bolt |
DE102008015617B4 (en) * | 2008-03-26 | 2021-01-14 | Salzhausener Maschinenbautechnik Salmatec Gmbh | Roller adjustment device |
JP5502071B2 (en) * | 2008-04-29 | 2014-05-28 | ネステク ソシエテ アノニム | Rotational molding apparatus and method of using the same |
US20100310692A1 (en) * | 2009-06-05 | 2010-12-09 | Kuei-Tsai Lai | Plodder machine |
WO2011050987A2 (en) * | 2009-10-30 | 2011-05-05 | Dieffenbacher Gmbh + Co. Kg | Pellet press for producing pellets |
FR2972375B1 (en) * | 2011-03-11 | 2014-04-11 | Renault Sa | PROCESS FOR MACHINING THE ROD PASSAGE IN A CYLINDER CASTER CYLINDER CASING AND MOTOR OBTAINED BY THE METHOD |
US8974710B2 (en) | 2011-04-29 | 2015-03-10 | Andritz Ag | Pellet mill having improved construction |
EP2517869A1 (en) | 2011-04-29 | 2012-10-31 | Andritz AG | Pellet mill |
CA2834120C (en) * | 2011-04-29 | 2015-04-21 | Andritz Ag | A pellet mill with an improved feed system and a method of forming pelleted material |
CN102632632A (en) * | 2012-04-27 | 2012-08-15 | 成都王安产业有限公司 | Biomass briquetting machine |
DE102013104623A1 (en) * | 2013-05-06 | 2014-11-06 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Pelleting press for the production of pellets |
DE202013101960U1 (en) | 2013-05-06 | 2014-07-07 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Pelleting press for the production of pellets |
CN103637388A (en) * | 2013-12-20 | 2014-03-19 | 何敬丽 | Pressing roller adjusting device of feed pelleting machine |
CN104760312A (en) * | 2014-01-07 | 2015-07-08 | 张连华 | Equipment for frying dumplings |
CN106739073A (en) * | 2016-12-28 | 2017-05-31 | 镇江博昊科技有限公司 | A kind of pressure roller of graphite film calender |
CN110355973B (en) * | 2019-07-31 | 2024-09-06 | 深圳市沃尔核材股份有限公司 | Automatic deviation adjusting extrusion machine head die and automatic deviation adjusting device |
RU2734217C1 (en) | 2020-02-06 | 2020-10-13 | Общество с ограниченной ответственностью "Машиностроительная компания "Технэкс" | Mechanism for adjusting position of pressure rollers relative to press-shape of press-pelletizer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2157528A (en) * | 1936-05-15 | 1939-05-09 | Western Pellet Machine Corp | Machine for forming compressed feeds and similar products |
US3559238A (en) * | 1967-07-11 | 1971-02-02 | California Pellet Mill Co | Walking die pellet mill and improvements therefor |
US3538546A (en) * | 1969-09-25 | 1970-11-10 | California Pellet Mill Co | Adjustable feed deflector |
GB2130959B (en) * | 1982-11-05 | 1986-04-03 | Ru Korrel Pty Ltd | Pelletising briquetting by compaction |
ES8700082A1 (en) | 1985-12-12 | 1986-10-01 | Bellefroid Charly Vincent | Improved device for adjusting the distance between the rollers and the pressurised annular extrusion dies of an extruding machine for food granules |
DE3775423D1 (en) * | 1986-01-24 | 1992-02-06 | Buehler Ag | Wuerfelpresse. |
US5248469A (en) * | 1992-10-19 | 1993-09-28 | California Pellet Mill Company | Mechanical remote roll adjusting apparatus and method for a pellet mill |
-
2003
- 2003-02-21 AT AT03702378T patent/ATE552103T1/en active
- 2003-02-21 DK DK03702378.5T patent/DK1597057T3/en active
- 2003-02-21 WO PCT/DK2003/000115 patent/WO2004073963A1/en not_active Application Discontinuation
- 2003-02-21 EP EP03702378A patent/EP1597057B1/en not_active Expired - Lifetime
- 2003-02-21 ES ES03702378T patent/ES2388032T3/en not_active Expired - Lifetime
- 2003-02-21 US US10/546,028 patent/US7241128B2/en not_active Expired - Lifetime
- 2003-02-21 BR BRPI0318127-8B1A patent/BR0318127B1/en active IP Right Grant
- 2003-02-21 CA CA2515751A patent/CA2515751C/en not_active Expired - Lifetime
- 2003-02-21 AU AU2003205560A patent/AU2003205560A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2004073963A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2388032T3 (en) | 2012-10-05 |
ATE552103T1 (en) | 2012-04-15 |
CA2515751C (en) | 2010-06-15 |
DK1597057T3 (en) | 2012-07-16 |
BR0318127A (en) | 2006-02-07 |
EP1597057B1 (en) | 2012-04-04 |
US20060193936A1 (en) | 2006-08-31 |
US7241128B2 (en) | 2007-07-10 |
CA2515751A1 (en) | 2004-09-02 |
WO2004073963A1 (en) | 2004-09-02 |
AU2003205560A1 (en) | 2004-09-09 |
BR0318127B1 (en) | 2013-07-09 |
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